[ < megalo-comb. form + -carpouscomb. form; compare microcarpousadj. at micro-comb. form 1a(d), and Hellenistic Greek μεγαλόκαρπος] Botanyrare having large fruit.
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1857 R. G. MayneExpos. Lexicon Med. Sci. (1860) Megalocarpus, having large fruit..: megalocarpous.